200, 120, 60% discount analysis: (1) Let's assume that the price of each garment is X yuan. If you sell it at a 50% discount, you will lose 20 yuan, and if you sell it at a 20% discount, you will earn 40 yuan. You can display the purchase price, and then you can get the equation, and then you can get it. (2) According to (1), the cost of each garment can be calculated; (3) Cost price = clothing list price × discount. (1) per set ...